Keyboard shortcut to merge cells in Google Sheets. Keyboard shortcuts for Google Sheets - Computer - Docs. In the toolbar, there is a ‘Merge cells’ icon. Not specific to merge but you can do Alt / to search menus then start typing merge. To merge the cells, follow the steps below. To open a list of keyboard shortcuts, press Ctrl + / (Windows and Chrome OS), Cmd + / (macOS) To search the menus, press Alt + / (Windows, Chrome OS) or Option + / (Mac). Expand Or Collapse The Formula … Merge Across: To Merge Across use shortcut ALT>H>M>A.